1
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Two resistances of 5.0 Ω and 7.0 Ω are connected in series and the combination is connected in parallel with a resistance of 36.0 Ω. The equivalent resistance of the combination of three resistors is 
1
24.0 Ω
2
12.0 Ω
3
9.0 Ω
4
6.0 Ω
2
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Shown in the figure are two hollow cubes C1 and C2 of negligible mass partially filled (depicted by darkened area) with liquids of densities ρ1 and ρ2, respectively, floating in water (density ρw). The relationship between ρ1, ρ2 and ρw is 

1
ρ2 < ρw < ρ1
2
ρ2 < ρ1 < ρw
3
ρ1 < ρ2 < ρw
4
ρ1 < ρw < ρ2
3
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language
An astronaut whose weight on the Earth is 600 N experiences weightless- ness on International Space Station orbiting around the Earth. It means that
1
acceleration of the astronaut is zero
2
normal reaction of the space- station floor on the astronaut is zero
3
gravitational pull of earth on the astronaut is zero
4
space station applies a centrifugal force on the astronaut
4
NDA General Ability 1st September 2024
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Which of the following statements give characteristics of contact forces?

1. It appears between an object when it is in contact with some other object

2. It satisfies the third law of motion

3. It may appear between a pair of solid and fluid

Select the answer using the code given below:

1
1 and 3 only
2
2 and 3 only
3
1 and 2 only
4
1, 2 and 3
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